diff --git a/main_custom.py b/main_custom.py
index 0cfc1cc5a893c67f23bf40ec43eeb7a24a8945e5..994b6019d0c19e7f6f3602a767cba6d8f7bcbd56 100644
--- a/main_custom.py
+++ b/main_custom.py
@@ -284,7 +284,7 @@ def save_pred(model, data_val, forward, output_path, file = False):
             for seq, charge, rt, intensity, files in data_val:
                 rt, intensity = rt.float(), intensity.float()
                 if torch.cuda.is_available():
-                    seq, charge, rt, intensity, file = seq.cuda(), charge.cuda(), rt.cuda(), intensity.cuda(), file.cuda()
+                    seq, charge, rt, intensity, files = seq.cuda(), charge.cuda(), rt.cuda(), intensity.cuda(), files.cuda()
                 pr_rt, pr_intensity = model.forward(seq, charge)
                 pred_rt.extend(pr_rt.data.cpu().tolist())
                 pred_int.extend(pr_intensity.data.cpu().tolist())